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Soliton bunch dynamics in soliton rain induced by noise-mediated interaction in a mode-locked fiber laser

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Listed:
  • Wang, Yifeng
  • Shi, Zhifeng
  • Zhou, Qiyang
  • Wang, Zhi
  • Liu, Yan-ge
  • Wang, Pan

Abstract

Nonlinear dynamics of soliton rain is an intriguing topic in complex soliton dynamics studies, which concentrates on soliton behaviors induced by multi-soliton interactions. This article reports the complex soliton rain phenomenon with the formation of high-intensity drifting soliton bunches (DSBs) in an all-fiber mode-locked laser. Considering the temporal properties of DSBs, we infer that high-intensity DSBs introduce a long-range effect on the train length in the time scale of the soliton rain and drifting soliton interaction dynamics. Furthermore, we conclude that a competing effect between noise-mediated interaction and soliton rain dynamics contributes to the formation process of DSBs. Our observation promotes the understanding of multi-soliton interaction and might further provide insight into applications in controlling multi-solitons.

Suggested Citation

  • Wang, Yifeng & Shi, Zhifeng & Zhou, Qiyang & Wang, Zhi & Liu, Yan-ge & Wang, Pan, 2026. "Soliton bunch dynamics in soliton rain induced by noise-mediated interaction in a mode-locked fiber laser," Chaos, Solitons & Fractals, Elsevier, vol. 210(P1).
    • Handle: RePEc:eee:chsofr:v:210:y:2026:i:p1:s0960077926007964
    DOI: 10.1016/j.chaos.2026.118655
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